Tagged Questions

Part of human activity related to gaining, classifying and improving knowledge about the world. There exist commonly adopted rules and requirements to make a method scientific. The history itself is one of humanity sciences.

I don't remember when and where I hear, but I remember something like this: several pyramids in Egypt are aligned with pyramids in South America .
That is, in South America are several (if correctly ...

Which is the strongest/code that is unbreakable and exists?
I have recently been reading a book called: The Code Book" by Simon Singh and It doesn't specify what was/is the most unbreakable code ever ...

In Ptolemy and Copernicus' systems, the stars were believed to rest upon a single plane, the 'celestial sphere'. People thought they were all the same distance away from earth. Kepler's insight was ...

According to Ptolemy's (c. 150 CE) account of the motions of planets, planets moved in circular paths ("epicycles") around center points that in turn moved around the center of the earth along a path ...

One of the few things I remember from my high school physics class is my teacher telling me that Newton discovered things like the universal law of gravitation simply because his initial premise was ...

As is common knowledge, the founder (more-or-less) of modern genetics was Gregor Mendel, who first laid down the laws of Mendelian inheritance. In particular, he discovered the existence of dominant ...

When we read about the history of Scientific Revolution during the Enlightenment, we come to know that the roots of Scientific Revolution first started in Europe during the Renaissance. But can you ...

Historians routinely draw quite far-reaching conclusions about all aspects of society from archaeological artifacts and textual documents that – naturally – represent only a minuscule fraction of all ...

Other than the US (and a few other countries), the vast majority of countries use
International System of Units (SI).
Celsius temperature scale.
DMY or YMD date format¹.
24-hour clock when written².
...

Today we look online to determine the weather. When I was little, I remember people had big thermometers hanging outside, or suctioned to the outside of, for example, the kitchen window. But when did ...

It occurred to me that Germany was extremely productive in (at least) physics in the first thirty years of the twentieth century, and especially in the period between the end of the First World War ...

It is often claimed that Catholic Church punished scientists who relied on the experiment rather than just believing certain approved thinkers.
As an example, it is often put forward that in one of ...

Popular explanations often mention that the "Catholic Church" had a problem with Copernicus and his heliocentric theory, neglecting that even a scientific disagreement at that period would likely have ...

I'm looking for experimental data (lift, drag, pull, etc...) of Graham Bell's tetrahedral kite. As he was a scientist and inventor I thought that he might have written some quantitative data down on ...

How were heavier objects weighed in antiquity or the middle ages? Were balances simply scaled up in size with appropriately larger weights? Did people know how much an elephant or even an ox actually ...